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<pre><code><a href="#1" id="1" class="l"> 1: </a><span class="xlang">&lt;?php</span> 
<a href="#2" id="2" class="l"> 2: </a><span class="php-comment">/**
</span><a href="#3" id="3" class="l"> 3: </a><span class="php-comment"> * 可用于页面父模板嵌套的全局模板类
</span><a href="#4" id="4" class="l"> 4: </a><span class="php-comment"> * @author ltre
</span><a href="#5" id="5" class="l"> 5: </a><span class="php-comment"> * @since 2014-12-31
</span><a href="#6" id="6" class="l"> 6: </a><span class="php-comment"> */</span>
<a href="#7" id="7" class="l"> 7: </a><span class="php-keyword1">abstract</span> <span class="php-keyword1">class</span> TemplateDo <span class="php-keyword1">extends</span> DIDo {
<a href="#8" id="8" class="l"> 8: </a>    
<a href="#9" id="9" class="l"> 9: </a>    <span class="php-comment">/**
</span><a href="#10" id="10" class="l">10: </a><span class="php-comment">     * 页面公共模板
</span><a href="#11" id="11" class="l">11: </a><span class="php-comment">     * @param string $concrete 目录DI_TPL_PATH中的文件名(不需要.php后缀)
</span><a href="#12" id="12" class="l">12: </a><span class="php-comment">     * @see DIDo::tpl()
</span><a href="#13" id="13" class="l">13: </a><span class="php-comment">     * @example
</span><a href="#14" id="14" class="l">14: </a><span class="php-comment">     *      0、例如DanmuDo::okasii()，需要用到父页面的header和footer
</span><a href="#15" id="15" class="l">15: </a><span class="php-comment">     *      1、新建danmu-tpl.php，将公共的header、footer等转移到该文件中，
</span><a href="#16" id="16" class="l">16: </a><span class="php-comment">     *          内容有变化的地方，使用语句 
</span><a href="#17" id="17" class="l">17: </a><span class="php-comment">     *              &lt;?php include DI_TPL_PATH . $concrete . '.php';//不要使用import，否则无法使用extract()生成的变量 ?&gt; 
</span><a href="#18" id="18" class="l">18: </a><span class="php-comment">     *          即可
</span><a href="#19" id="19" class="l">19: </a><span class="php-comment">     *      2、DanmuDo继承TemplateDo
</span><a href="#20" id="20" class="l">20: </a><span class="php-comment">     *      3、编写function okasii()，最后结尾执行 $this-&gt;tpl()即可
</span><a href="#21" id="21" class="l">21: </a><span class="php-comment">     */</span>
<a href="#22" id="22" class="l">22: </a>    <span class="php-keyword1">protected</span> <span class="php-keyword1">function</span> tpl(<span class="php-var">$tpl_name</span>=<span class="php-keyword1">null</span>, <span class="php-var">$return</span>=<span class="php-keyword1">false</span>){
<a href="#23" id="23" class="l">23: </a>        <span class="php-keyword1">if</span> (!<span class="php-keyword1">empty</span>(<span class="php-var">$tpl_name</span>)) {
<a href="#24" id="24" class="l">24: </a>           <span class="php-var">$ret</span> = parent::tpl(<span class="php-var">$tpl_name</span>, <span class="php-var">$return</span>);
<a href="#25" id="25" class="l">25: </a>            <span class="php-keyword1">if</span> (<span class="php-var">$return</span>) {
<a href="#26" id="26" class="l">26: </a>                <span class="php-keyword1">return</span> <span class="php-var">$ret</span>;
<a href="#27" id="27" class="l">27: </a>            } <span class="php-keyword1">else</span> {
<a href="#28" id="28" class="l">28: </a>                <span class="php-keyword1">exit</span>;                
<a href="#29" id="29" class="l">29: </a>            }
<a href="#30" id="30" class="l">30: </a>        }
<a href="#31" id="31" class="l">31: </a>        
<a href="#32" id="32" class="l">32: </a>        <span class="php-var">$d</span> = <span class="php-keyword2">debug_backtrace</span>();
<a href="#33" id="33" class="l">33: </a>        <span class="php-var">$f</span> = <span class="php-var">$d</span>[<span class="php-num">1</span>][<span class="php-quote">'function'</span>];
<a href="#34" id="34" class="l">34: </a>        <span class="php-keyword1">if</span> (<span class="php-quote">'call_user_func_array'</span> == <span class="php-var">$f</span> || !<span class="php-keyword1">isset</span>(<span class="php-var">$d</span>[<span class="php-num">1</span>][<span class="php-quote">'class'</span>])) {
<a href="#35" id="35" class="l">35: </a>            <span class="php-keyword1">die</span>;<span class="php-comment">//禁止URL直接访问(?简短类名/tpl，如?danmu/tpl)</span>
<a href="#36" id="36" class="l">36: </a>        }
<a href="#37" id="37" class="l">37: </a>        <span class="php-keyword1">if</span> (<span class="php-var">$d</span>[<span class="php-num">1</span>][<span class="php-quote">'class'</span>] != <span class="php-keyword2">get_class</span>(<span class="php-var">$d</span>[<span class="php-num">0</span>][<span class="php-quote">'object'</span>])) {
<a href="#38" id="38" class="l">38: </a>            <span class="php-keyword1">die</span>;<span class="php-comment">//必须确保当前子类对象的类名和上级调用点所处类名完全一样</span>
<a href="#39" id="39" class="l">39: </a>        }
<a href="#40" id="40" class="l">40: </a>        
<a href="#41" id="41" class="l">41: </a>        <span class="php-comment">//要注意：上级调用这有可能还是tpl()，所以要判断</span>
<a href="#42" id="42" class="l">42: </a>        <span class="php-var">$i</span> = <span class="php-num">1</span>;
<a href="#43" id="43" class="l">43: </a>        <span class="php-var">$len</span> = <span class="php-keyword2">count</span>(<span class="php-var">$d</span>);
<a href="#44" id="44" class="l">44: </a>        <span class="php-keyword1">while</span> (<span class="php-var">$i</span>++ &lt; <span class="php-var">$len</span> &amp;&amp; <span class="php-quote">'tpl'</span> == <span class="php-var">$f</span>) {
<a href="#45" id="45" class="l">45: </a>            <span class="php-var">$e</span> = <span class="php-var">$d</span>[<span class="php-var">$i</span>];
<a href="#46" id="46" class="l">46: </a>            <span class="php-keyword1">if</span> (!<span class="php-keyword1">isset</span>(<span class="php-var">$e</span>[<span class="php-quote">'function'</span>])) <span class="php-keyword1">continue</span>;
<a href="#47" id="47" class="l">47: </a>            <span class="php-var">$f</span> = <span class="php-var">$e</span>[<span class="php-quote">'function'</span>];
<a href="#48" id="48" class="l">48: </a>        }
<a href="#49" id="49" class="l">49: </a>        
<a href="#50" id="50" class="l">50: </a>        <span class="php-var">$this</span>-&gt;concrete = <span class="php-keyword2">strtolower</span>(<span class="php-var">$this</span>-&gt;getShortClassName(DI_KEYWORD_DO) . <span class="php-quote">'-'</span> . <span class="php-var">$f</span>);
<a href="#51" id="51" class="l">51: </a>        parent::tpl();
<a href="#52" id="52" class="l">52: </a>        <span class="php-keyword1">exit</span>;
<a href="#53" id="53" class="l">53: </a>    }
<a href="#54" id="54" class="l">54: </a>    
<a href="#55" id="55" class="l">55: </a>}</code></pre>

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